Background technology
Window is the building materials that must use in modern architecture.Existing aluminium alloys finished product window comprises the main material of aluminium alloys, door and window hardware accessory, encapsulant and screen window, and the main material of aluminium alloys, door and window hardware accessory, encapsulant form window body conventionally, and window body and screen window support the use, and form finished product window.
In prior art, the most frequently used window is aluminum alloy casement window.The auxiliary plan of screen window and aluminum alloy casement window mainly comprises following several:
1, hinge flat opening: hinge flat opening is divided into built-in and external two kinds, wherein, for external, window frame and screen window frame are fixed, and screen window is connected by hinge axis with screen window frame.Screen window protrudes from casement window outside, and casement window and screen material surface color cannot be unified, and have a strong impact on architectural effect.For built-in, also be to open by hinge, different from external is, screen material (ryce, gauze fan) is placed in window frame, sash lap position, solved the profile effect defect that screen window protrudes from aluminum window outside, but the demand due to the Existential Space of screen material, need to reserve yarn material level puts, cause the design width of sash aluminium significantly to reduce, had a strong impact on the window overall performances such as sash bonding strength, resisting wind press capacity, tightness, watertightness, thermal insulation (heat-insulation window).Hinge flat opening screen window, no matter be built-in or external, gauze fan is opened for fixing flat, screen window for a long time not the used time can not remove, when gauze is no, can only expose, gauze weatherability is poor, when gauze cleans or changes, dismounting is inconvenient.
2, plane is plug-type: comprised gauze fan, ryce, ryce arranges track, and four edge sealings form the space of the parallel of gauze fan, and shortcoming comprises: gauze fan is difficult for removing, unless destroy ryce, due to leak outside for a long time cleaned and changed very inconvenient for gauze of gauze; And gauze affects printing opacity all the time.
3, collapsible: the gauze of screen window is processed through folding, by fixedly bracing wire, folds back successively and installs in yarn box, uses and pulls open the folding gauze in yarn box, plays the safeguard function of screen window.This kind of screen window also has built-in and external two kinds, no matter which kind of mode, maximum shortcoming is exactly cleaning and the replacing of gauze.The general material of pre-folded gauze is nylon material, and weatherability is poor, screen wind-proof poor performance.The used time must not returned dress by fold sequence by gauze to screen window, threading fixing will with gauze, ingenious being connected and fixed of yarn box threading, quite complicated, change gauze and also can only renew processing for general processing installation personnel, be unfavorable for that screen window cleans, keeps in repair, promotes, and built-in more difficult unpicking and washing.
4, stealthy reel (backrush) formula: reel yarn box is fixed on to sash mouth outer upper, and the gauze fan that gauze is pulled down to sash mouth bottom by handle buckles fixing.The advantage of this screen window is, gauze can backrush to yarn box, protection gauze, extends gauze useful life, does not use for a long time and does not also affect daylighting, easy to use, external installation, does not affect whole window performance.But this screen material cost and installation cost are too high: need independent yarn box, the track of both sides; External installation is cumbersome for keeping in repair, changing.Meanwhile, also exist inharmonious with monolithic architecture, be only applicable to the drop-down defects such as mode.
Visible, the auxiliary plan of screen window of the prior art and aluminum alloy casement window is not perfect, and it affects whole window performance, the cost defects such as mode is single of pulling open high, not easily removable and washable, implicit expression screen window are not yet effectively solved.
Utility model content
The purpose of this utility model is to provide a kind of window with integrated built-in window screen, reduces, optimizes the material section of screen window and window, reduces aluminium use amount, reduces costs, and meets various window types simultaneously and uses, and does not affect building doors and windows engineering overall appearance.
The utility model provides a kind of window with integrated built-in window screen, and described window comprises: jamb, sash, window glass, sash bar; Described window also comprises:
Volume spool, is arranged in described sash bar;
Gauze, is crimped onto under non-working condition on described volume spool, is used to form screen window;
Window screening handle, is arranged on gauze end, stretches out in outside sash bar, for the gauze being crimped onto on spool is pulled open into flat state;
Yarn hook, is arranged on the jamb of volume spool opposite end, supporting with window screening handle;
Torsion spring, is arranged in volume spool, for the gauze backrush that is launched into plane is being rolled up to spool.
In such scheme, described window also comprises:
Plug, is arranged at the longitudinal direction both sides of described spool, for rolling up the location of spool and window frame, sash bar, fixes.
In such scheme, one end of described torsion spring is fixed on volume spool, and the other end is fixed on described plug; When described gauze is crimped onto on described volume spool, torsion spring is nature; When described gauze pulls open, torsion spring is elastic force balance state.
In such scheme, described window also comprises:
Fastener, forms hemi-closure space with sash bar, for the protection of volume spool and gauze.
In such scheme, described window screening handle has gauze groove, and described window also comprises:
Clamp for window screening, is arranged on the inner side of rolling up the sash bar frame between spool and window screening handle, for pulling open of gauze, holds in the gauze groove that is fixed on described window screening handle.
In such scheme, described window also comprises:
Yarn rail, along gauze expansion direction, a siding track is arranged on sash bar, and opposite side track is arranged on the jamb of sash opening, while pulling open gauze for window screening, the expansion action of guiding gauze.
In such scheme, described window also comprises:
Windproof wool top, is arranged on two siding tracks of described yarn rail, for screen wind-proof.
In such scheme, described window also comprises:
Cleaning bar, is arranged on the outside of rolling up the sash bar frame between spool and window screening handle, for clearing up gauze.
In such scheme, described sash bar is common sash bar, and described common sash bar overlaps by overlapping material and fastener and sash, and described volume spool is arranged in common sash bar frame, overlap joint material and the formed space of fastener.
In such scheme, described sash bar is for widening sash bar, the described sash bar of widening overlaps by fastener and sash, described in widen sash bar and increased and held the space of rolling up spool by widened section, described volume spool is arranged in widens sash bar frame and the formed space of fastener.
In such scheme, the cross section of described yarn rail and yarn hook inner side has duckbilled glue notch, has duckbilled glue laminated entrance on described jamb, sash bar and fastener, described notch and described in be pressed into the seal cavity of interruption-forming sash.
In such scheme, described sash bar is horizontal sash bar or vertical sash bar.
In such scheme, described jamb, sash, window glass, the material that sash bar adopts is heat-insulation aluminium alloy or common aluminum alloy.
The window with integrated built-in window screen provided by the utility model, at jamb, sash, window glass, on the basic structure basis of sash bar, increase the volume spool being arranged in sash bar and be arranged on the interior torsion spring for backrush gauze of volume spool, under non-working condition, be crimped onto the gauze on spool, be arranged on gauze end and stretch out in the window screening handle outside sash bar, and the yarn hook on the supporting jamb that is arranged on volume spool opposite end with it, integral type by volume spool and sash bar designs, in stealthy mode, realize screen window function, meeting various window types uses, significantly reduce, optimize the cross section of screen window and window, reduce aluminium use amount, reduce costs.Screen window, gauze integral type are hidden design, do not affect building doors and windows engineering overall appearance.Gauze backrush when sash is closed, has reduced gauze and has exposed the time, increases the service life.Screen window is used time not for a long time, does not also need dismounting, increases light transmission, ventilation effect, simultaneously not shadow to performances such as the Wind-Pressure Resistance of whole window, airtight, watertights.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage more cheer and bright, below in conjunction with the specific embodiment and with reference to accompanying drawing, the utility model is further described.Should be appreciated that, these descriptions are exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, omitted the description to known configurations and technology, to avoid unnecessarily obscuring concept of the present utility model.
Fig. 1 is the Window closing state window type figure with integrated built-in window screen according to the first preferred embodiment of the present utility model.Fig. 2 is the A-A sectional drawing of window under in off position in Fig. 1 with integrated built-in window screen; Fig. 3 is the B-B sectional drawing of window under in off position in Fig. 1 with integrated built-in window screen.
Referring to Fig. 1 to Fig. 3, the window of the present embodiment is casement window, and basic structure comprises: jamb 1, sash 2, window glass 19, vertical common sash bar 3, the horizontal sash bar 21 of widening.Described jamb 1, sash 2, widen sash bar 21, the main material of common sash bar 3 can adopt aluminum alloy materials, also can adopt the other materials of manufacturing window.Preferably, jamb 1, sash 2, horizontal sash bar 21, the main material of vertical sash bar 3 adopt heat-insulation aluminium alloy material.Window glass can adopt hollow glass, also can adopt other glass.
Here, described having increased held to the sash bar 21 of widening of rolling up spool space and be arranged on horizontal direction, that is, described is horizontal sash bar for the sash bar of screen window is set, its screen window open or closed manners is gauche form.The described sash bar of widening can be also vertical sash bar, and its screen window is opened or closed mode is vertical type.The described sash bar 21 of widening, is to widen on the basis of common sash bar, can overlap the mode of expecting by increase and widen, and also can widen by other means, and the sash bar after widening can be an integral body, can be also split.Widening sash bar 21 has increased and has held the space of rolling up spool, can make screen window and window become one, thereby realize screen window function in stealthy mode.
The screen window function of the present embodiment casement window, the form by integrated built-in window screen realizes, and concrete, described casement window also comprises as lower member:
Volume spool 9, is arranged on widening in sash bar 21 of casement window;
Gauze 10, is crimped onto under non-working condition on described volume spool 9;
Window screening handle 13, is arranged on gauze 10 ends, stretches out in outside horizontal sash bar 21, for the gauze 10 being crimped onto on spool 9 is pulled open into flat state;
Yarn hook 14, is arranged on the jamb 1 of volume spool 9 opposite ends, shakes hands 13 supporting with window screening;
Torsion spring 22, is arranged in volume spool 9, for gauze 10 backrush that are launched into plane are being rolled up to spool 9.In order to make to roll up spool 9 and the inside cavity of gauze 10 in horizontal sash bar 21 and fastener 4 compositions, and stable independent, location plug 23 is set in spool 9 both sides of described horizontal sash bar 21.Plug 23 and frame 1, widen sash bar 3 and fix in position corresponding to volume spool 9 center positions, the plug 23 here can be moulding, can be also metalwork.
The described torsion spring 22 that is arranged at volume spool inside, its one end is fixed on volume spool 9, and the other end is fixed on plug 23; When gauze 10 is crimped onto on spool 9, torsion spring 22 is nature; When described gauze 10 pulls open, torsion spring 22 is elastic force balance state; When screen window is closed, the elastic force of torsion spring 22 drives volume spool 9 to rotate, and makes on 10 times reel-to-reel spools 9 of gauze.Gauze 10 returns while not using on reel-to-reel spool 9, reduces gauze 10 and exposes the time, extends the application life of gauze 10.
Described window also comprises fastener 4, widens sash bar 21 by fastener 4 and sash 2 overlap joints, and widening sash bar 21 has been increased and held the space of rolling up spool 9 by widened section, and volume spool 9 is arranged in widens sash bar 21 frames and the formed space of fastener 4.Fastener 4 forms hemi-closure spaces with widening sash bar 21, for the protection of volume spool 9 and gauze 10, reaches protection spool 9 and gauze 10 and the hiding effect of screen window in appearance.
Described window screening handle (13) can have gauze groove, described window can also comprise Clamp for window screening 12, described Clamp for window screening 12 is held pulling open of gauze 10 in the gauze groove that is fixed on window screening handle 13, make window screening handle 13 remain on the outside of widening sash bar 21 and fastener 4, make to roll up spool 9 and gauze 10 relatively independent in widening the space of sash bar 21 inside, keep clean, be positioned at the window screening handle 13 of widening sash bar 21 outsides simultaneously and can open easily gauze 10, play the function of screen window.
When gauze 10 needs dismounting or cleans, can open fastener 4, take off plug 23, take out gauze 10,, in order to coordinate the taking-up of gauze 10 to clean or change, window screening handle 13 can be set to detachably penetrate the form of Clamp for window screening 12.
Can be along an expansion that direction is stable when gauze 10 is launched, described window can also comprise yarn rail 15, described yarn rail is along gauze 10 expansion directions, and a siding track is arranged on the frame of vertical sash bar 3, and opposite side track is arranged on symmetric position jamb 1.When window screening handle 13 pulls open gauze 10, gauze 10 launches stably along yarn rail 15, so yarn rail 15 can guide the expansion action of gauze 10.
In order to prevent the impact of wind on screen window, in two siding tracks along yarn rail 15, be provided with windproof wool top 16, even in having the environment of wind, it is stable that the gauze 10 of expansion also can keep, and keeps the performance of window Wind-Pressure Resistance.
In order to keep the clean of gauze 10 as far as possible, reduce and clean and change, described window can also comprise cleaning bar 11, described cleaning bar 11 is arranged on the outside of horizontal sash bar 21 frames, between volume spool 9 and window screening handle 13, can be corresponding with Clamp for window screening 12 positions that are positioned at horizontal sash bar 21 scuncheons.Gauze 10 launches or the process of backrush all can be through the cleaning bar 11 of cleaning effect at any time, Automatic clearance gauze.The cleaning bar 11 here can be detachable or removable, also can be integrated still and can conveniently clean with window.Cleaning bar can adopt the good wool top of cleaning effect.
In order to facilitate closing of screen window, yarn handle 13 adopts and touches hook-shaped formula with yarn hook 14, presses gently yarn handle 13, just can realize shake hands 13 the disengaging of yarn hook 14 and window screening, closes screen window.
In order to keep the sealing of window integral body, yarn rail 15 has duckbilled glue 17 notches with the inner side, cross section of yarn hook 14, has duckbilled glue 17 and is pressed into mouth, thereby make notch and the seal cavity that is pressed into interruption-forming sash 2 on jamb 1, sash bar 3 and fastener 4.
Below in conjunction with accompanying drawing 1 to 3, the casement window structure while comprising above-mentioned all members is once described.Casement window basic structure is used corner brace group angle to be connected (casement window universal method) by jamb 1 with sash 2, vertical common sash bar 3 is elongated up and down, a horizontal side of widening sash bar 21 is connected with jamb 1, opposite side is connected with vertical sash bar 3, use glass locking strip 24 hollow glass 19 to be anchored in the glazing rebate of sash 2, it is fixing that two sides of indoor and outdoor that hollow glass 19 contacts with sash 2 are used glazing compound 20 or adhesive tape 20 to seal, sash 2 is used sash hinge-opening 7 to be fixed on jamb 1, using sash to open handle 8 locks and opens, in horizontal sash bar 21, horizontal direction is installed the volume spool 9 of spooling gauze 10, spool both sides use plug 23 by spool be fixed to frame 1 and vertical in very on 3, make pipe crimping keep stable, fasteners 4 obtains the relatively independent enclosure space of volume spool.In volume spool, torsion spring is set, one end of torsion spring is fixed on volume spool, and the other end is fixed on plug 23.After gauze is pulled out, torsion spring is stressed, produces reverse screen resilience.After gauze unclamps, the elastic force of torsion spring drives and involves in spool rotation, and gauze is returned on reel-to-reel spool.Gauze 10 is pulled out end and is used Clamp for window screening 12 by gauze 10 clips, and penetrate in the gauze groove of window screening handle 13, corresponding with the window screening clamp bar 12 horizontal arranged outside cleaning wool top 11 of widening sash bar 21 frames, is convenient to Automatic clearance gauze laying dust in the use of gauze.Here, in order to facilitate 10 gauzes to launch smoothly from top to bottom, can also stay cord be set at shake hands 13 end of window screening.Along gauze 10 expansion directions, a siding track is arranged on the siding track that yarn rail 15 is set on vertical sash bar 3, and the opposite side track of yarn rail 15 is set on the jamb 1 of sash opposite side.In jamb 1 and the position of volume spool 9 opposite ends, install and the window screening 13 supporting yarn hooks 14 of shaking hands.Use duckbilled glue 17 sealed window frames 1 and the sash 2 of sash sealing, use the inside and outside side of sealing joint strip 18 sealing sash.Thereby form the complete casement window with integrated built-in window screen.
Fig. 4 is the window open mode window type figure with integrated built-in window screen according to the first preferred embodiment of the present utility model.Fig. 5 is the A-A sectional drawing of window under open mode in Fig. 4 with integrated built-in window screen; Fig. 6 is the B-B sectional drawing of window under open mode in Fig. 4 with integrated built-in window screen.
Referring to Fig. 4 to Fig. 6, the present embodiment is when the casement window of integrated built-in window screen is under open mode, together with window screening handle 13 paper money hook 14 hooks that match with it, gauze 10 launches along yarn rail 15, the windproof sliver 16 arranging along yarn rail 15 protects gauze 10, prevents the stability of wind effect screen window.
The unlatching of describing the present embodiment casement window and screen window below in conjunction with accompanying drawing 1 to 6 is with closed.
During window opened via, by casement window, opening handle 8 opens after sash 2, hold the upper stay cord arranging of window screening handle 13 or handle, the gauze 10 of leaving behind, make gauze 10 through cleaning wool top 11, along the yarn rail 15 that is provided with windproof wool top 16, launch, gauze 10 is cleared up on expansion limit, limit first, until window screening handle 13 is buckled on the yarn hook 14 matching with it.
During closed window, gently press window screening handle 13 to depart from yarn hook 14.Torsion spring in volume spool 9 relies on the screen resilience of self to drive volume spool 9 backwards rotation, make gauze 10 backrush to rolling up on spool 9, during gauze 10 backrush, edge is provided with the yarn rail 15 of windproof wool top 16, through cleaning wool top 11, gauze is cleared up on backrush limit, limit again, close screen window, then by casement window, open handle 8 and close sash.
Adopt the casement window of the present embodiment, by volume spool and the integral type of horizontal sash bar, design, in stealthy mode, realize screen window function.Stealthy integral type screen window not only can be arranged in horizontal sash bar, also can be arranged in vertical sash bar, as shown in the utility model the second preferred embodiment, also can be arranged on other positions of window, is applicable to other window types simultaneously.So, can meet various window types uses.Meanwhile, the cross section of significantly minimizing, Optimal Window and screen window, reduces costs; Screen window, gauze integral type are hidden design, do not affect building doors and windows engineering overall appearance; Gauze backrush when sash is closed, has reduced gauze and has exposed the time, increases the service life; Screen window is used time not for a long time, does not also need dismounting; Do not affect the performances such as the Wind-Pressure Resistance of whole window, airtight, watertight.Due to the setting of cleaning wool top, can realize the Automatic clearance of gauze simultaneously, at relatively independent seal cavity, preserve under the prerequisite of gauze, further keep the clean of gauze, reduce replacing and the cleaning of gauze.
Fig. 7 is the Window closing state window type figure with integrated built-in window screen according to the second preferred embodiment of the present utility model; Fig. 8 is A-A sectional drawing in Fig. 7; Fig. 9 is B-B sectional drawing in Fig. 7.
Referring to Fig. 7 to Fig. 9, the window in the present embodiment with integrated built-in window screen is casement window, and basic structure comprises: jamb 1, sash 2, window glass 19, vertical common sash bar 3, horizontal common sash bar 21.Described jamb 1, sash 2, horizontal sash bar 21, the main material of common sash bar 3 can adopt aluminum alloy materials, also can adopt the other materials of manufacturing window.Preferably, jamb 1, sash 2, horizontal sash bar 21, the main material of vertical sash bar 3 adopt heat-insulation aluminium alloy material.Window glass can adopt hollow glass, also can adopt other glass.
In the present embodiment, because laterally sash bar 21 and vertical sash bar 3 are common sash bar, therefore, while sliding sash with disappearing screen window being set in sash bar, need to adopt overlap joint material 5 to increase in sash bars and hold the space of rolling up spool, so that set up the sash bar of integrated built-in window screen, can keep integrality and the sealing with sash.The mode of expecting by overlap joint is set up sliding sash with disappearing screen window, can be arranged in vertical sash bar, its screen window open or closed manners is gauche form.Also can be arranged in vertical sash bar, its screen window is opened or closed mode is vertical type.The present embodiment adopts sliding sash with disappearing screen window is arranged on to the mode in vertical sash bar 3, and the unfolding mode of screen window is gauche form.The screen window function of the present embodiment casement window, the form by integrated built-in window screen realizes, and concrete, described casement window also comprises as lower member:
Volume spool 9, is arranged in the vertical sash bar 3 of casement window;
Gauze 10, is crimped onto under non-working condition on described volume spool 9;
Window screening handle 13, is arranged on gauze 10 ends, stretches out in outside vertical sash bar 3, for the gauze 10 being crimped onto on spool 9 is pulled open into flat state;
Yarn hook 14, is arranged on the jamb 1 of volume spool 9 opposite ends, shakes hands 13 supporting with window screening;
Torsion spring 22, is arranged in volume spool 9, for gauze 10 backrush that are launched into plane are being rolled up to spool 10;
Overlap joint expects 5, is arranged at a side of vertical sash bar 3 sash, overlap joint and sealing for vertical sash bar 3 with sash 2.
Described window can also comprise Clamp for window screening 12, plug 23, cleaning wool top 11, described Clamp for window screening 12, plug 23, cleaning wool top 11 are arranged at the outside of vertical sash bar 3 frames, all the other set-up modes are identical with the first preferred embodiment with function, then this repeats no more.
Described window can also comprise yarn rail 15, the direction that described yarn rail 15 launches along gauze 10, one siding track is arranged on horizontal sash bar 3, opposite side track is arranged on the jamb 1 of sash 2 opening one sides, when window screening handle 13 pulls open gauze 10, gauze 10 launches stably along yarn rail 15, so yarn rail 15 can guide the expansion action of gauze 10.
Described window can also be installed windproof wool top 16 along yarn rail 15, and its set-up mode is identical with the first preferred embodiment with function, does not repeat them here.
Figure 10 is the window opening window type figure with integrated built-in window screen according to the second preferred embodiment of the present utility model; Figure 11 is A-A sectional drawing in Figure 10; Figure 12 is B-B sectional drawing in Figure 10.
Referring to Figure 10 to Figure 12, the present embodiment is when the casement window of integrated built-in window screen is under open mode, together with window screening handle 13 paper money hook 14 hooks that match with it, gauze 10 launches along yarn rail 15, the windproof sliver 16 arranging along yarn rail 15 protects gauze 10, prevents the stability of wind effect screen window.
Adopt the casement window of the present embodiment, by volume spool and the integral type of vertical sash bar, design, in stealthy mode, realize screen window function.Stealthy integral type screen window not only can be arranged in vertical sash bar, also can be arranged in horizontal sash bar, as shown in the utility model the first preferred embodiment, also can be arranged on other positions of window, is applicable to other window types simultaneously.So, can meet various window types uses.Meanwhile, the cross section of significantly minimizing, Optimal Window and screen window, reduces costs; Screen window, gauze integral type are hidden design, do not affect building doors and windows engineering overall appearance; Gauze backrush when sash is closed, has reduced gauze and has exposed the time, increases the service life; Screen window is used time not for a long time, does not also need dismounting; Increase light transmission, the ventilation effect of window, guaranteed the performances such as the Wind-Pressure Resistance of whole window, airtight, watertight.Due to the setting of cleaning wool top, can realize the Automatic clearance of gauze simultaneously, at relatively independent seal cavity, preserve under the prerequisite of gauze, further keep the clean of gauze, reduce replacing and the cleaning of gauze.
Figure 13 preferably selects the Window closing state window type figure with integrated built-in window screen of embodiment according to the utility model the 3rd; Figure 14 is A-A sectional drawing in Figure 13; Figure 15 is B-B sectional drawing in Figure 13.
Figure 16 is the window opening window type figure with integrated built-in window screen according to the 3rd preferred embodiment of the present utility model; Figure 17 is A-A sectional drawing in Figure 16; Figure 18 is B-B sectional drawing in Figure 16.
Referring to Figure 13 to Figure 18, it is basic identical that the present embodiment has window and first preferred embodiment of integrated built-in window screen, difference is that the jamb 1 in the present embodiment, sash 2, horizontal sash bar 3, the main material of vertical sash bar 21 adopt common aluminum alloy material.All the other structures are identical with the first preferred embodiment, do not repeat them here.
Figure 19 is the Window closing state window type figure with integrated built-in window screen according to the 4th preferred embodiment of the present utility model; Figure 20 is A-A sectional drawing in Figure 19; Figure 21 is B-B sectional drawing in Figure 19.
Figure 22 is the window opening window type figure with integrated built-in window screen according to the 4th preferred embodiment of the present utility model; Figure 23 is A-A sectional drawing in Figure 22; Figure 24 is B-B sectional drawing in Figure 22.
Referring to Figure 19 to Figure 24, it is basic identical that the present embodiment has window and second preferred embodiment of integrated built-in window screen, difference is that the jamb 1 in the present embodiment, sash 2, horizontal sash bar 3, the main material of vertical sash bar 21 adopt common aluminum alloy material.All the other structures are identical with the second preferred embodiment, do not repeat them here.
Although described embodiment of the present utility model in detail, it should be understood that in the situation that not departing from spirit and scope of the present utility model, can make various changes, replacement and change to embodiment of the present utility model.